YZWater3/src/YZWater.Core/ViewModels/ViewAViewModel.cs

using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using Serilog;
using YZWater.Core.Models;
using YZWater.Core.Services;

namespace YZWater.Core.ViewModels;

/// <summary>
/// 主工艺视图 ViewModel（接入真实 PLC 数据）
/// </summary>
public partial class ViewAViewModel : ObservableObject, IDisposable
{
    private readonly LanguageService _lang = LanguageService.Instance;
    private readonly SynchronizationContext? _uiContext = SynchronizationContext.Current;
    private DateTime _startTime = DateTime.Now;
    private System.Timers.Timer? _clockTimer;
    private bool _disposed;

    // ═══════════════════════════════════════════════
    //  水箱液位
    // ═══════════════════════════════════════════════
    [ObservableProperty] private float _tank1Level;
    [ObservableProperty] private float _tank2Level;
    [ObservableProperty] private float _tank3Level;
    [ObservableProperty] private float _tank4Level;

    // ═══════════════════════════════════════════════
    //  流量
    // ═══════════════════════════════════════════════
    [ObservableProperty] private float _inflowRate;
    [ObservableProperty] private float _outflowRate;
    [ObservableProperty] private float _flowDelta;

    // ═══════════════════════════════════════════════
    //  泵状态
    // ═══════════════════════════════════════════════
    [ObservableProperty] private bool _pump1Running;
    [ObservableProperty] private bool _pump2Running;
    [ObservableProperty] private bool _pump3Running;
    [ObservableProperty] private bool _pump4Running;
    [ObservableProperty] private bool _pump5Running;

    // 泵状态颜色
    [ObservableProperty] private string _pump1StatusColor = "#4B5563";
    [ObservableProperty] private string _pump2StatusColor = "#4B5563";
    [ObservableProperty] private string _pump3StatusColor = "#4B5563";
    [ObservableProperty] private string _pump4StatusColor = "#4B5563";
    [ObservableProperty] private string _pump5StatusColor = "#4B5563";

    // 泵状态文本
    [ObservableProperty] private string _pump1Status = "STOPPED";
    [ObservableProperty] private string _pump2Status = "STOPPED";
    [ObservableProperty] private string _pump3Status = "STOPPED";
    [ObservableProperty] private string _pump4Status = "STOPPED";
    [ObservableProperty] private string _pump5Status = "STOPPED";

    // ═══════════════════════════════════════════════
    //  风扇状态
    // ═══════════════════════════════════════════════
    [ObservableProperty] private bool _fan1Running;
    [ObservableProperty] private bool _fan2Running;
    [ObservableProperty] private string _fan1StatusColor = "#4B5563";
    [ObservableProperty] private string _fan2StatusColor = "#4B5563";
    [ObservableProperty] private string _fan1Status = "STOPPED";
    [ObservableProperty] private string _fan2Status = "STOPPED";

    // ═══════════════════════════════════════════════
    //  阀门状态
    // ═══════════════════════════════════════════════
    [ObservableProperty] private ValveStatus _valve1Status = ValveStatus.Middle;
    [ObservableProperty] private ValveStatus _valve2Status = ValveStatus.Middle;
    [ObservableProperty] private ValveStatus _valve3Status = ValveStatus.Middle;
    [ObservableProperty] private ValveStatus _valve4Status = ValveStatus.Middle;
    [ObservableProperty] private string _valve1StatusColor = "#4B5563";
    [ObservableProperty] private string _valve2StatusColor = "#4B5563";
    [ObservableProperty] private string _valve3StatusColor = "#4B5563";
    [ObservableProperty] private string _valve4StatusColor = "#4B5563";

    // 模式
    [ObservableProperty] private ValveStatus _modeStatus = ValveStatus.Open;

    // 流动状态
    [ObservableProperty] private bool _isInflowRunning = true;
    [ObservableProperty] private bool _isOutflowRunning = true;

    // ═══════════════════════════════════════════════
    //  统计
    // ═══════════════════════════════════════════════
    [ObservableProperty] private int _runningDeviceCount;
    [ObservableProperty] private string _runningTime = "0d 0h 0m";
    [ObservableProperty] private double _efficiency = 90.0;

    // ═══════════════════════════════════════════════
    //  报警
    // ═══════════════════════════════════════════════
    [ObservableProperty] private bool _hasAlarm;
    [ObservableProperty] private string _alarmMessage = string.Empty;
    [ObservableProperty] private int _alarmCount;

    // ═══════════════════════════════════════════════
    //  连接状态
    // ═══════════════════════════════════════════════
    [ObservableProperty] private bool _isPlcConnected;

    // ═══════════════════════════════════════════════
    //  时间
    // ═══════════════════════════════════════════════
    [ObservableProperty] private DateTime _currentTime = DateTime.Now;

    // ═══════════════════════════════════════════════
    //  翻译文字
    // ═══════════════════════════════════════════════
    [ObservableProperty] private string _titleText;
    [ObservableProperty] private string _subtitleText;
    [ObservableProperty] private string _plcStatusText;
    [ObservableProperty] private string _connectText;
    [ObservableProperty] private string _disconnectText;
    [ObservableProperty] private string _refreshText;
    [ObservableProperty] private string _tank1Text;
    [ObservableProperty] private string _tank2Text;
    [ObservableProperty] private string _tank3Text;
    [ObservableProperty] private string _tank4Text;
    [ObservableProperty] private string _pump1Text;
    [ObservableProperty] private string _pump2Text;
    [ObservableProperty] private string _pump3Text;
    [ObservableProperty] private string _pump4Text;
    [ObservableProperty] private string _pump5Text;
    [ObservableProperty] private string _fan1Text;
    [ObservableProperty] private string _fan2Text;
    [ObservableProperty] private string _valve1Text;
    [ObservableProperty] private string _valve2Text;
    [ObservableProperty] private string _valve3Text;
    [ObservableProperty] private string _valve4Text;
    [ObservableProperty] private string _modeText;
    [ObservableProperty] private string _realtimeText;
    [ObservableProperty] private string _inflowText;
    [ObservableProperty] private string _outflowText;
    [ObservableProperty] private string _deltaText;
    [ObservableProperty] private string _statisticsText;
    [ObservableProperty] private string _runtimeText;
    [ObservableProperty] private string _devicesText;
    [ObservableProperty] private string _alarmText;
    [ObservableProperty] private string _efficiencyText;
    [ObservableProperty] private string _quickOpsText;
    [ObservableProperty] private string _startAllText;
    [ObservableProperty] private string _stopAllText;
    [ObservableProperty] private string _ackAlarmText;
    [ObservableProperty] private string _exportText;
    [ObservableProperty] private string _flowMetersText;
    [ObservableProperty] private string _deviceStatusText;
    [ObservableProperty] private string _processFlowText;
    [ObservableProperty] private string _pump1TitleText;
    [ObservableProperty] private string _pump2TitleText;
    [ObservableProperty] private string _refluxPumpText;
    [ObservableProperty] private string _fan1TitleText;
    [ObservableProperty] private string _fan2TitleText;

    [ObservableProperty]
    [NotifyPropertyChangedFor(nameof(Is2DView))]
    private bool _is3DView = true;

    public bool Is2DView => !Is3DView;

    public ViewAViewModel()
    {
        UpdateTexts();
        _lang.LanguageChanged += OnLanguageChanged;

        // 订阅 PLC 轮询数据
        PlcPollingService.Instance.DataUpdated += OnDataUpdated;
        PlcPollingService.Instance.ConnectionStateChanged += OnConnectionStateChanged;

        // 订阅报警
        AlarmService.Instance.AlarmStateChanged += OnAlarmStateChanged;

        // 时钟更新
        StartClockTimer();
    }

    private void OnLanguageChanged() => RunOnUi(UpdateTexts);

    private void RunOnUi(Action action)
    {
        if (_disposed) return;

        if (_uiContext != null && SynchronizationContext.Current != _uiContext)
            _uiContext.Post(_ =>
            {
                if (!_disposed) action();
            }, null);
        else
            action();
    }

    private void UpdateTexts()
    {
        TitleText = _lang.Get("AppName");
        SubtitleText = _lang.Get("ProcessFlow");
        PlcStatusText = _lang.Get("PlcConnected");
        ConnectText = _lang.Get("Connect");
        DisconnectText = _lang.Get("Disconnect");
        RefreshText = _lang.Get("Refresh");
        Tank1Text = _lang.Get("TankInlet");
        Tank2Text = _lang.Get("TankBio");
        Tank3Text = _lang.Get("TankSediment");
        Tank4Text = _lang.Get("TankOutlet");
        Pump1Text = _lang.Get("Pump1");
        Pump2Text = _lang.Get("Pump2");
        Pump3Text = _lang.Get("Pump3");
        Pump4Text = _lang.Get("Pump4");
        Pump5Text = _lang.Get("Pump5");
        Fan1Text = _lang.Get("Fan1");
        Fan2Text = _lang.Get("Fan2");
        Valve1Text = _lang.Get("ValveInlet");
        Valve2Text = _lang.Get("ValveAeration");
        Valve3Text = _lang.Get("ValveReflux");
        Valve4Text = _lang.Get("ValveOutlet");
        ModeText = _lang.Get("Mode");
        RealtimeText = _lang.Get("Realtime");
        InflowText = _lang.Get("Inflow");
        OutflowText = _lang.Get("Outflow");
        DeltaText = _lang.Get("Delta");
        StatisticsText = _lang.Get("Statistics");
        RuntimeText = _lang.Get("Runtime");
        DevicesText = _lang.Get("Devices");
        AlarmText = _lang.Get("Alarm");
        EfficiencyText = _lang.Get("Efficiency");
        QuickOpsText = _lang.Get("QuickOps");
        StartAllText = _lang.Get("StartAll");
        StopAllText = _lang.Get("StopAll");
        AckAlarmText = _lang.Get("AckAlarm");
        ExportText = _lang.Get("Export");
        FlowMetersText = _lang.Get("FlowMeters");
        DeviceStatusText = _lang.Get("DeviceStatus");
        ProcessFlowText = _lang.Get("ProcessFlow");
        Pump1TitleText = _lang.Get("Pump1Title");
        Pump2TitleText = _lang.Get("Pump2Title");
        RefluxPumpText = _lang.Get("RefluxPump");
        Fan1TitleText = _lang.Get("Fan1Title");
        Fan2TitleText = _lang.Get("Fan2Title");
    }

    private void StartClockTimer()
    {
        _clockTimer = new System.Timers.Timer(1000);
        _clockTimer.Elapsed += (s, e) =>
        {
            RunOnUi(() =>
            {
                CurrentTime = DateTime.Now;
                var elapsed = DateTime.Now - _startTime;
                RunningTime = $"{elapsed.Days}d {elapsed.Hours}h {elapsed.Minutes}m";
            });
        };
        _clockTimer.Start();
    }

    /// <summary>
    /// PLC 数据更新回调
    /// </summary>
    private void OnDataUpdated(PlcDataModel data)
    {
        var snapshot = CreateSnapshot(data);
        RunOnUi(() => ApplyData(snapshot));
    }

    /// <summary>
    /// 仅在值变化时更新属性（使用 Object.Equals 比较，适用于所有类型）
    /// </summary>
    private bool UpdateIfChanged<T>(ref T field, T newValue, [System.Runtime.CompilerServices.CallerMemberName] string? propertyName = null)
    {
        if (!Equals(field, newValue))
        {
            field = newValue;
            OnPropertyChanged(propertyName);
            return true;
        }
        return false;
    }

    private void ApplyData(PlcDataModel data)
    {
        // 更新水箱液位（仅在值变化时通知）
        UpdateIfChanged(ref _tank1Level, data.Tank1Level);
        UpdateIfChanged(ref _tank2Level, data.Tank2Level);
        UpdateIfChanged(ref _tank3Level, data.Tank3Level);
        UpdateIfChanged(ref _tank4Level, data.Tank4Level);

        // 更新流量
        UpdateIfChanged(ref _inflowRate, data.InflowRate);
        UpdateIfChanged(ref _outflowRate, data.OutflowRate);
        UpdateIfChanged(ref _flowDelta, data.FlowDelta);

        // 更新泵状态
        UpdateIfChanged(ref _pump1Running, data.Pump1Running);
        UpdateIfChanged(ref _pump2Running, data.Pump2Running);
        UpdateIfChanged(ref _pump3Running, data.Pump3Running);
        UpdateIfChanged(ref _pump4Running, data.Pump4Running);
        UpdateIfChanged(ref _pump5Running, data.Pump5Running);

        // 更新风扇状态
        UpdateIfChanged(ref _fan1Running, data.Fan1Running);
        UpdateIfChanged(ref _fan2Running, data.Fan2Running);

        // 更新阀门状态
        var v1 = data.Valve1Position > 50 ? ValveStatus.Open :
                 data.Valve1Position < 50 ? ValveStatus.Closed : ValveStatus.Middle;
        var v2 = data.Valve2Position > 50 ? ValveStatus.Open :
                 data.Valve2Position < 50 ? ValveStatus.Closed : ValveStatus.Middle;
        var v3 = data.Valve3Position > 50 ? ValveStatus.Open :
                 data.Valve3Position < 50 ? ValveStatus.Closed : ValveStatus.Middle;
        var v4 = data.Valve4Position > 50 ? ValveStatus.Open :
                 data.Valve4Position < 50 ? ValveStatus.Closed : ValveStatus.Middle;
        UpdateIfChanged(ref _valve1Status, v1);
        UpdateIfChanged(ref _valve2Status, v2);
        UpdateIfChanged(ref _valve3Status, v3);
        UpdateIfChanged(ref _valve4Status, v4);

        // 更新模式
        var mode = data.IsAutoMode ? ValveStatus.Open : ValveStatus.Closed;
        UpdateIfChanged(ref _modeStatus, mode);

        // 更新流动状态
        UpdateIfChanged(ref _isInflowRunning, data.InflowRate > 0);
        UpdateIfChanged(ref _isOutflowRunning, data.OutflowRate > 0);

        // 更新设备状态
        UpdateDeviceStatuses(data);

        // 更新统计
        var deviceCount = data.RunningPumpCount + data.RunningFanCount;
        UpdateIfChanged(ref _runningDeviceCount, deviceCount);
        var efficiency = data.InflowRate > 0
            ? Math.Clamp(data.OutflowRate / data.InflowRate * 100, 0, 100)
            : 0;
        UpdateIfChanged(ref _efficiency, (float)efficiency);

        // 检查报警
        CheckAlarms(data);
    }

    /// <summary>
    /// 连接状态变更
    /// </summary>
    private void OnConnectionStateChanged(bool connected)
    {
        RunOnUi(() => IsPlcConnected = connected);
    }

    /// <summary>
    /// 报警状态变更
    /// </summary>
    private void OnAlarmStateChanged()
    {
        RunOnUi(() =>
        {
            HasAlarm = AlarmService.Instance.HasActiveAlarm;
            AlarmMessage = AlarmService.Instance.ActiveAlarmMessage;
            AlarmCount = AlarmService.Instance.ActiveAlarmCount;
        });
    }

    private static PlcDataModel CreateSnapshot(PlcDataModel data) => new()
    {
        Tank1Level = data.Tank1Level,
        Tank2Level = data.Tank2Level,
        Tank3Level = data.Tank3Level,
        Tank4Level = data.Tank4Level,
        InflowRate = data.InflowRate,
        OutflowRate = data.OutflowRate,
        FlowDelta = data.FlowDelta,
        Pump1Running = data.Pump1Running,
        Pump2Running = data.Pump2Running,
        Pump3Running = data.Pump3Running,
        Pump4Running = data.Pump4Running,
        Pump5Running = data.Pump5Running,
        Pump1Fault = data.Pump1Fault,
        Pump2Fault = data.Pump2Fault,
        Pump3Fault = data.Pump3Fault,
        Pump4Fault = data.Pump4Fault,
        Pump5Fault = data.Pump5Fault,
        Pump1Freq = data.Pump1Freq,
        Pump2Freq = data.Pump2Freq,
        Pump3Freq = data.Pump3Freq,
        Pump4Freq = data.Pump4Freq,
        Pump5Freq = data.Pump5Freq,
        Fan1Running = data.Fan1Running,
        Fan2Running = data.Fan2Running,
        Fan1Fault = data.Fan1Fault,
        Fan2Fault = data.Fan2Fault,
        Valve1Position = data.Valve1Position,
        Valve2Position = data.Valve2Position,
        Valve3Position = data.Valve3Position,
        Valve4Position = data.Valve4Position,
        IsAutoMode = data.IsAutoMode,
        LastReadTime = data.LastReadTime,
        IsDataValid = data.IsDataValid,
        IsPlcConnected = data.IsPlcConnected
    };

    /// <summary>
    /// 更新设备状态
    /// </summary>
    private void UpdateDeviceStatuses(PlcDataModel data)
    {
        // 仅在状态变化时更新（避免不必要的字符串分配和通知）
        UpdateIfChanged(ref _pump1StatusColor, data.Pump1Running ? "#00897B" : (data.Pump1Fault ? "#EF4444" : "#4B5563"));
        UpdateIfChanged(ref _pump2StatusColor, data.Pump2Running ? "#00897B" : (data.Pump2Fault ? "#EF4444" : "#4B5563"));
        UpdateIfChanged(ref _pump3StatusColor, data.Pump3Running ? "#00897B" : (data.Pump3Fault ? "#EF4444" : "#4B5563"));
        UpdateIfChanged(ref _pump4StatusColor, data.Pump4Running ? "#00897B" : (data.Pump4Fault ? "#EF4444" : "#4B5563"));
        UpdateIfChanged(ref _pump5StatusColor, data.Pump5Running ? "#00897B" : (data.Pump5Fault ? "#EF4444" : "#4B5563"));

        UpdateIfChanged(ref _fan1StatusColor, data.Fan1Running ? "#00897B" : (data.Fan1Fault ? "#EF4444" : "#4B5563"));
        UpdateIfChanged(ref _fan2StatusColor, data.Fan2Running ? "#00897B" : (data.Fan2Fault ? "#EF4444" : "#4B5563"));

        UpdateIfChanged(ref _valve1StatusColor, data.Valve1Position > 50 ? "#00897B" :
                            data.Valve1Position < 50 ? "#F59E0B" : "#4B5563");
        UpdateIfChanged(ref _valve2StatusColor, data.Valve2Position > 50 ? "#00897B" :
                            data.Valve2Position < 50 ? "#F59E0B" : "#4B5563");
        UpdateIfChanged(ref _valve3StatusColor, data.Valve3Position > 50 ? "#00897B" :
                            data.Valve3Position < 50 ? "#F59E0B" : "#4B5563");
        UpdateIfChanged(ref _valve4StatusColor, data.Valve4Position > 50 ? "#00897B" :
                            data.Valve4Position < 50 ? "#F59E0B" : "#4B5563");

        UpdateIfChanged(ref _pump1Status, data.Pump1Running ? $"RUNNING {data.Pump1Freq:F0}Hz" : (data.Pump1Fault ? "FAULT" : "STOPPED"));
        UpdateIfChanged(ref _pump2Status, data.Pump2Running ? $"RUNNING {data.Pump2Freq:F0}Hz" : (data.Pump2Fault ? "FAULT" : "STOPPED"));
        UpdateIfChanged(ref _pump3Status, data.Pump3Running ? $"RUNNING {data.Pump3Freq:F0}Hz" : (data.Pump3Fault ? "FAULT" : "STOPPED"));
        UpdateIfChanged(ref _pump4Status, data.Pump4Running ? $"RUNNING {data.Pump4Freq:F0}Hz" : (data.Pump4Fault ? "FAULT" : "STOPPED"));
        UpdateIfChanged(ref _pump5Status, data.Pump5Running ? $"RUNNING {data.Pump5Freq:F0}Hz" : (data.Pump5Fault ? "FAULT" : "STOPPED"));

        UpdateIfChanged(ref _fan1Status, data.Fan1Running ? "RUNNING" : (data.Fan1Fault ? "FAULT" : "STOPPED"));
        UpdateIfChanged(ref _fan2Status, data.Fan2Running ? "RUNNING" : (data.Fan2Fault ? "FAULT" : "STOPPED"));
    }

    /// <summary>
    /// 检查报警（从 PlcPollingService 数据）
    /// </summary>
    private void CheckAlarms(PlcDataModel data)
    {
        var config = ConfigService.GetConfig();
        if (config == null) return;

        HasAlarm = false;
        AlarmMessage = string.Empty;
        AlarmCount = 0;

        if (data.Tank1Level > config.LevelHighAlarm || data.Tank1Level < config.LevelLowAlarm)
        {
            HasAlarm = true;
            AlarmCount++;
        }
        if (data.Tank2Level > config.LevelHighAlarm || data.Tank2Level < config.LevelLowAlarm)
        {
            HasAlarm = true;
            AlarmCount++;
        }
        if (data.InflowRate > config.FlowHighAlarm)
        {
            HasAlarm = true;
            AlarmCount++;
        }
        if (data.HasAnyFault)
        {
            HasAlarm = true;
            AlarmCount++;
        }

        RunningDeviceCount = data.RunningPumpCount + data.RunningFanCount;
    }

    // ═══════════════════════════════════════════════
    //  PLC 控制命令
    // ═══════════════════════════════════════════════

    [RelayCommand]
    private async Task ConnectPlcAsync() => IsPlcConnected = await PlcService.ConnectAsync();

    [RelayCommand]
    private void DisconnectPlc() { PlcService.Disconnect(); IsPlcConnected = false; }

    [RelayCommand]
    private async Task RefreshDataAsync() => await PlcPollingService.Instance.RefreshNowAsync();

    [RelayCommand]
    private void Set2DView() => Is3DView = false;

    [RelayCommand]
    private void Set3DView() => Is3DView = true;

    /// <summary>
    /// 控制泵启停
    /// </summary>
    [RelayCommand]
    private async Task TogglePumpAsync(string pumpId)
    {
        if (!PlcService.IsConnected) { Log.Warning("PLC 未连接"); return; }

        var index = pumpId switch { "P001" => 0, "P002" => 1, "P003" => 2, "P004" => 3, "P005" => 4, _ => -1 };
        if (index < 0) return;

        var address = PlcConfig.GetPumpRunAddress(index);
        var currentState = PlcPollingService.Instance.Data.GetPumpRunning(index);
        await PlcService.WriteBoolAsync(address, !currentState);
    }

    /// <summary>
    /// 控制风机启停
    /// </summary>
    [RelayCommand]
    private async Task ToggleFanAsync(string fanId)
    {
        if (!PlcService.IsConnected) { Log.Warning("PLC 未连接"); return; }

        var address = fanId == "F001" ? PlcConfig.Fan1Start : PlcConfig.Fan2Start;
        var currentState = fanId == "F001" ? PlcPollingService.Instance.Data.Fan1Running : PlcPollingService.Instance.Data.Fan2Running;
        await PlcService.WriteBoolAsync(address, !currentState);
    }

    /// <summary>
    /// 控制阀门
    /// </summary>
    [RelayCommand]
    private async Task ToggleValveAsync(string valveId)
    {
        if (!PlcService.IsConnected) { Log.Warning("PLC 未连接"); return; }

        var index = valveId switch { "V001" => 0, "V002" => 1, "V003" => 2, "V004" => 3, _ => -1 };
        if (index < 0) return;

        var address = PlcConfig.GetValveControlAddress(index);
        await PlcService.WriteBoolAsync(address, true);
        await Task.Delay(500);
        await PlcService.WriteBoolAsync(address, false);
    }

    /// <summary>
    /// 切换模式
    /// </summary>
    [RelayCommand]
    private async Task ToggleModeAsync()
    {
        if (!PlcService.IsConnected) return;
        await PlcService.WriteBoolAsync(PlcConfig.SystemMode, ModeStatus != ValveStatus.Open);
    }

    /// <summary>
    /// 全部启动
    /// </summary>
    [RelayCommand]
    private async Task StartAllAsync()
    {
        if (!PlcService.IsConnected) return;
        for (int i = 0; i < 5; i++)
            await PlcService.WriteBoolAsync(PlcConfig.GetPumpRunAddress(i), true);
        for (int i = 0; i < 2; i++)
            await PlcService.WriteBoolAsync(i == 0 ? PlcConfig.Fan1Start : PlcConfig.Fan2Start, true);
    }

    /// <summary>
    /// 全部停止
    /// </summary>
    [RelayCommand]
    private async Task StopAllAsync()
    {
        if (!PlcService.IsConnected) return;
        for (int i = 0; i < 5; i++)
            await PlcService.WriteBoolAsync(PlcConfig.GetPumpRunAddress(i), false);
        for (int i = 0; i < 2; i++)
            await PlcService.WriteBoolAsync(i == 0 ? PlcConfig.Fan1Start : PlcConfig.Fan2Start, false);
    }

    /// <summary>
    /// 确认报警
    /// </summary>
    [RelayCommand]
    private async Task AckAlarmAsync()
    {
        await AlarmService.Instance.AcknowledgeAllAsync();
    }

    public void Dispose()
    {
        if (_disposed) return;
        _disposed = true;

        _clockTimer?.Stop();
        _clockTimer?.Dispose();
        _clockTimer = null;

        _lang.LanguageChanged -= OnLanguageChanged;
        PlcPollingService.Instance.DataUpdated -= OnDataUpdated;
        PlcPollingService.Instance.ConnectionStateChanged -= OnConnectionStateChanged;
        AlarmService.Instance.AlarmStateChanged -= OnAlarmStateChanged;
    }
}

/// <summary>
/// 阀门状态枚举
/// </summary>
public enum ValveStatus { Closed, Middle, Open }